Covar, P. R. The Masagana/Margate system of planting rice: A study of an agricultural innovation. Community Development Research Council, University of the Philippines.
Citace podle Chicago (17th ed.)Covar, Prospero R. The Masagana/Margate System of Planting Rice: A Study of an Agricultural Innovation. [Quezon City]: Community Development Research Council, University of the Philippines.
Citace podle MLA (9th ed.)Covar, Prospero R. The Masagana/Margate System of Planting Rice: A Study of an Agricultural Innovation. Community Development Research Council, University of the Philippines.
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